> -----Original Message----- > From: Paolo [mailto:[EMAIL PROTECTED]] > Sent: Monday, October 22, 2001 9:30 AM > To: [EMAIL PROTECTED] > Subject: R: R: [RT] New validator and propagator infrastructure > > Hi Vadim and Martin! > > >type="checkbox" is quite simple: absent parameter - false, present > >parameter - true. > > >So we could use null as false and not null as true. > > This is not true! The default value passed as request parameter for a > checkbox is the 'On' string!
Exactly - "on" is the _default_ value. It could be replaced with any other string (you cut that part). And nothing is passed when checkbox is not checked (i.e., null). > > And we want to use in the future the same descriptor file to validate > not only request parameters, but session attributes or cookies, too... > > A flag is always stored in an application as a boolean, not as a > null/not-null value. The best way, in my opinion, is to use a 'boolean' > parameter type (that we will compare with 'On', 'Yes', '1' and 'True'). > > For a checkbox, we can still use the 'nullable' flag with the 'default' > value = 'false'. > > Am I right? Yes, that's good suggestions. Vadim > > Regards, > Paolo Scaffardi > AIRVENT SAM S.p.A. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, email: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
